3687245139601 has 4 divisors (see below), whose sum is σ = 3693725360100. Its totient is φ = 3680764919104.

The previous prime is 3687245139511. The next prime is 3687245139607. The reversal of 3687245139601 is 1069315427863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2026497449601 + 1660747690000 = 1423551^2 + 1288700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687245139601 - 2²¹ = 3687243042449 is a prime.

It is a super-2 number, since 2×3687245139601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3687245139607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3240109396 + ... + 3240110533.

It is an arithmetic number, because the mean of its divisors is an integer number (923431340025).

It is a 1-persistent number, because it is pandigital, but 2⋅3687245139601 = 7374490279202 is not.

Almost surely, 2^{3687245139601} is an apocalyptic number.

It is an amenable number.

3687245139601 is a deficient number, since it is larger than the sum of its proper divisors (6480220499).

3687245139601 is an equidigital number, since it uses as much as digits as its factorization.

3687245139601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480220498.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 3687245139601 in words is "three trillion, six hundred eighty-seven billion, two hundred forty-five million, one hundred thirty-nine thousand, six hundred one".